CN216633916U

CN216633916U - A lower wall device for intelligent unthreaded hole lathe

Info

Publication number: CN216633916U
Application number: CN202220214300.XU
Authority: CN
Inventors: 杨佳葳; 李红春; 颜真; 许鑫豪
Original assignee: Yujing Machine Changsha Co ltd
Current assignee: Yujing Machine Changsha Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-31
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a lower disc device for an intelligent unthreaded hole machine tool, which comprises a lower support, wherein a rotating device is arranged on the lower support, the rotating device is connected with a rotating disc, a waterproof cover is fixed on the rotating disc, and a plurality of XY self-rotating devices are fixed in the waterproof cover along the circumferential direction; the sand blasting component is arranged in cooperation with the XY autorotation device. The utility model can realize high-precision positioning, is provided with a plurality of stations, can realize loading and unloading without stopping, greatly improves the efficiency and the productivity, and can realize flexible unthreaded hole of a workpiece by revolution of the turntable, rotation of the XY rotation device and automatic adjustment in the direction of X, Y.

Description

A lower wall device for intelligent unthreaded hole lathe

Technical Field

The utility model relates to the field of machinery, in particular to a lower disc device for an intelligent unthreaded hole machine tool.

Background

With the rapid development of intelligent display terminal equipment, various manufacturers continuously push out a new generation of glass screens, wherein 2.5D and 3D curved glass are most fierce, and the market prospect is the best. In the production process of curved glass, hole polishing is an important process, but in the existing glass grinding and polishing industry, the traditional equipment process cannot effectively meet the hole polishing requirements of 2.5D and 3D curved glass, and the problems of low efficiency, high cost, poor stability, low productivity and low precision generally exist. Therefore, a new generation of hole polishing equipment comes along, the design is mainly applied to the hole polishing equipment in the grinding and polishing industry, and the problems of low precision, poor stability, single function, low product yield, low productivity and low precision of the equipment can be effectively solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a lower disc device for an intelligent unthreaded hole machine tool. The utility model can realize high-precision positioning, is provided with a plurality of stations, can realize loading and unloading without stopping, greatly improves the efficiency and the productivity, and can realize flexible unthreaded hole of a workpiece by revolution of the turntable, rotation of the XY rotation device and automatic adjustment in the direction of X, Y.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

a lower disc device for an intelligent unthreaded hole machine tool comprises a lower support, wherein a rotating device is mounted on the lower support and connected with a rotating disc, a waterproof cover is fixed on the rotating disc, and a plurality of XY self-rotating devices are fixed in the waterproof cover along the circumferential direction; the sand blasting component is arranged in cooperation with the XY autorotation device.

In a further improvement, a liquid receiving disc is fixed at the bottom of the waterproof cover, a plurality of pipelines communicated with the liquid receiving disc are arranged on the bottom surface of the waterproof cover, and the liquid receiving disc is communicated with a grinding fluid circulating system.

The improved structure is characterized in that the rotating device is a direct drive motor, a slip ring connecting seat is installed in the direct drive motor, the top of the slip ring connecting seat is connected with a turntable, and the bottom of the slip ring connecting seat is connected with an electric slip ring; the direct drive motor is electrically connected with a servo driver.

In a further improvement, an origin induction sheet is installed at the eccentric position of the turntable, and an external inductor is installed by matching with the origin induction sheet.

In a further improvement, the origin induction sheet is a magnet or an infrared emitter; the external sensor is a magnetic sensor or an infrared receiver; the external inductor or the origin induction sheet is arranged corresponding to the XY self-rotating device.

The utility model has the beneficial effects that:

1. the device can realize high-precision positioning;

2. the electric slip ring adopted by the device can conduct electricity and ventilate, and has multiple functions;

3. the rotary table of the device is provided with a plurality of stations, so that loading and unloading can be realized without stopping, the efficiency is greatly improved, and the productivity is improved;

4. the installation is convenient, the universality is strong, and the maintenance is simple.

Drawings

FIG. 1 is a schematic perspective view of an intelligent drilling machine;

FIG. 2 is a first structural diagram of the upper disc device;

FIG. 3 is a second structural schematic diagram of the upper disc device;

FIG. 4 is a schematic perspective view of the lower tray device;

FIG. 5 is a schematic cross-sectional view of the lower plate device;

FIG. 6 is a schematic structural view of the XY rotating device;

fig. 7 is a schematic cross-sectional structure of the XY rotation device.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

The intelligent unthreaded hole machine tool comprises a machine frame 3, wherein a lower disc device 1 is arranged on the machine frame 3, and an upper disc device 2 is arranged above the lower disc device 1; the upper disc device 2 comprises a frame plate 201, and a plurality of groups of up-and-down moving polishing devices 202 are arranged on the frame plate 201; an operation hole 203 matched with the up-and-down moving polishing device 202 is formed on the frame plate 201; the up-and-down moving polishing device 202 comprises a Z-axis servo driver 204, the Z-axis servo driver 204 is connected with a high-speed motorized spindle 205, and the high-speed motorized spindle 205 is connected with a polishing tool bit 209; the lower disc device 1 comprises a lower support 106, a rotating device is mounted on the lower support 106 and connected with a rotating disc 103, a waterproof cover 102 is fixed on the rotating disc 103, and a plurality of XY self-rotating devices 8 are fixed in the waterproof cover 102 along the circumferential direction; the sand blasting component 4 is installed by matching with the XY rotating device 8.

The frame 3 is also provided with an electric control system 5 and a lubricating system 6, and the sand blasting assembly 4 and the waterproof cover 102 are both communicated with a grinding fluid circulating system 7; a cutter head seat 206 is mounted on the frame plate 201, a cutter head cylinder 207 is connected to the cutter head seat 206, the cutter head cylinder 207 is connected with a moving plate 210 which is in sliding connection with the cutter head seat 206, the moving plate 210 is connected with a motor, the motor is connected with a cutter head 208, and a plurality of polishing cutter heads 209 are inserted into the cutter head 208. A liquid receiving disc 104 is fixed at the bottom of the waterproof cover 102, and a plurality of pipelines communicated with the liquid receiving disc 104 are arranged on the bottom surface of the waterproof cover 102. Basic connection relation:

as shown in fig. 4 and 5, the lower disc device is mounted on the frame, the upper disc device is mounted on the frame, the grinding fluid circulating system is arranged on the right rear side of the machine table, the electric control system is mounted on the rear upper portion of the machine cover, and the lubricating system is mounted on the right rear side of the frame. The polishing spindles contained in the upper disc device correspond to the waterproof rotary table device of the intelligent multi-station polishing hole machine tool contained in the lower disc device in sequence and keep the polishing spindles concentric with the waterproof rotary table device.

Wherein the disk feeding device comprises a group Z-axis up-and-down moving polishing device and a group rotating translation tool changing device. Basic connection relation:

the Z-axis servo drive is fixed on the bracket; the Z-axis motion guide mechanism is fixed on the bracket through a sliding rail and a sliding block, and a screw rod transmission device is arranged in the Z-axis motion guide mechanism; the high-speed electric main shaft is fixed on the motion guide mechanism, and the Z-axis servo motor controls the screw rod to control the main shaft to move up and down in a transmission manner; the cutter head is in servo connection with the cutter head; the cutter head and the motor are fixed on the moving plate; the moving plate is fixed on the cutter head seat through the sliding rail sliding block, the transverse moving cylinder device is arranged in the moving plate, the cutter head can be arranged to complete rotation and transverse tool changing actions of a cutter handle grinding head in an ISO standard, buttons are arranged near each polishing station to control the tool changing actions, the sand pipe assembly is installed on the large platen, and the sand blasting port is aligned with each polishing station in sequence.

The basic connecting device of the lower disc device comprises the following parts:

the XY rotation device is arranged on the turntable; the turntable motor is arranged on the lower support; the turntable is arranged on the turntable motor and can control the large disc to rotate and change over stations; two layers of linear motion modules are arranged in the XY autorotation device, and a connection autorotation motor servo is arranged below the XY autorotation device, so that the XY direction movement and the self rotation movement can be realized; the liquid blocking cover is arranged on the XY rotation device; the waterproof cover is arranged on the turntable and rotates along with the turntable; the liquid receiving disc II is arranged on the lower support; the grinding fluid flows through the waterproof cover from the fluid blocking cover and then flows through the fluid receiving plate II and then enters the recovery system.

The lower disc device is installed on the frame, the upper disc device is installed on the frame, the grinding fluid circulating system is arranged on the right rear side of the machine table, the electric control system is installed on the rear upper portion of the machine cover, and the lubricating system is installed on the right rear side of the frame. The polishing main shafts contained in the upper disc device and the waterproof rotary table devices of the intelligent multi-station hole polishing machine tool contained in the lower disc device correspond to each other in sequence and keep concentric Z-axis servo drive to be fixed on the support; the Z-axis motion guide mechanism is fixed on the bracket through a sliding rail and a sliding block, and a screw rod transmission device is arranged in the Z-axis motion guide mechanism; the high-speed electric main shaft is fixed on the motion guide mechanism, and the Z-axis servo motor controls the screw rod to control the main shaft to move up and down in a transmission manner; the cutter head is in servo connection with the cutter head; the cutter head and the motor are fixed on the moving plate; the moving plate is fixed on the cutter head seat through the sliding rail sliding block, the transverse moving cylinder device is arranged in the moving plate, the cutter head can be arranged to finish rotating and transverse moving cutter changing actions on an ISO standard cutter handle grinding head, a button is arranged near each polishing station to control the cutter changing actions, the sand pipe assembly is installed on the large platen, and the sand blasting port is sequentially aligned to each polishing station. The turntable motor is arranged on the lower support; the turntable is arranged on the turntable motor and can control the large disc to rotate and change over stations; two layers of linear motion modules are arranged in the XY rotation device, and a rotation motor connecting servo is arranged below the XY rotation device, so that the movement in the XY direction and the rotation motion of the XY rotation device can be realized.

The upper disc device and the lower disc device are designed in a multi-station mode, and each station can move independently, so that the productivity can be greatly improved.

The lower platform device adopts a waterproof and multi-shaft independent rotating design, so that the waterproof effect can be greatly improved, and various complex working conditions can be easily dealt with; the consistency of products in batch production can be ensured;

the control mode of four-axis linkage of moving in the XYZ direction and rotating on the R axis is adopted, so that the components can be precisely matched, and the difficult problem of the industry of difficult hole polishing is solved.

The grinding fluid circulating system is adopted, so that the grinding fluid can be recycled, and the production cost is greatly reduced;

by adopting the intelligent automatic lubricating system, the service life of the equipment can be greatly prolonged, and the maintenance cost of customers is reduced, so that the production cost is further reduced.

By adopting the tool changing system, automatic tool changing of the equipment can be realized, and the tool changing system is suitable for complex machining occasions with multiple consumables, multiple processes and the like.

The basic working principle, taking the specific implementation as an example:

1. feeding: the turntable loading station is stopped at a loading position, and an operator places a plurality of workpieces in the jig and presses a start button;

2. hole polishing: after the feeding is finished, the turntable rotates to a polishing position I; the sand pipe assembly is automatically opened, and each sand blasting port is aligned to the corresponding workpiece in the jig to automatically spray the grinding liquid; the polishing motorized spindle moves downwards along with the motion guide plate until the polishing heads have various different polishing heads to descend to proper positions according to different process requirements; starting the polishing main shaft and starting to rotate at a high speed; under the control of the control device, the polishing main shaft moves in the Z-axis direction, the workpiece moves in the X-axis direction, the Y-axis direction and the R-axis direction, and the polishing main shaft forms a four-axis linkage effect relative to the workpiece.

3. Blanking: after polishing, the turntable moves the machining station to the front blanking position, and an operator takes out the machined workpiece and puts a new workpiece to be machined.

4. In the polishing process, all grinding fluid is collected by a waterproof cover rotating along with the turntable, the grinding fluid directly flows into the fixed liquid receiving disc through a pipeline and then flows into a grinding fluid circulating system, and the grinding fluid flows out to be sprayed out of the abutting joint sand pipe assembly for cyclic utilization.

In the lower disc device, the rotating device is a direct drive motor 110, a slip ring connecting seat 109 is installed in the direct drive motor 110, the top of the slip ring connecting seat 109 is connected with the rotating disc 103, and the bottom is connected with an electric slip ring 107; the direct drive motor 110 is electrically connected to the servo driver 108. An origin induction piece 105 is installed at an eccentric position of the turntable 103, and an external inductor is installed in cooperation with the origin induction piece 105.

The origin induction sheet 105 is a magnet or an infrared emitter; the external sensor is a magnetic sensor or an infrared receiver; the external inductor or origin induction piece 105 is provided corresponding to the XY rotation device 8.

When the lower disc device runs, the lower support is arranged on the external frame and is fixed; the direct drive motor is fixed on the lower support; the direct drive motor drives the turntable to rotate; the turntable drives the XY autorotation device, the waterproof cover and the servo driver to be connected with the turntable to synchronously rotate; the carousel drives the initial point response piece and carries out synchronous rotation, and initial point response piece realizes the high accuracy rotation through the effect control carousel turned angle with external inductor.

The turntable is in a disc shape and is provided with five stations, wherein any one station can be a feeding and discharging station; the angle of rotation of carousel is the degree at every turn, then carries out unloading once, starts multistation work after rotating the quartic in succession, has improved efficiency and productivity.

Grinding fluid flows into the waterproof cover from the workpiece, the bottom surface of the waterproof cover is provided with a plurality of fluid outlets, each fluid outlet is connected with a pipeline extending into the fluid receiving disc, the grinding fluid can be effectively prevented from splashing out of the fluid receiving disc, and meanwhile, the side wall of the waterproof cover can prevent the grinding fluid from splashing to the periphery; the liquid receiving disc is connected with the lower support.

The servo driver improves the positioning precision of the XY rotation device by controlling a servo motor in the XY rotation device.

The electric slip ring can transmit outside electricity into the lower disc device, and can transmit outside vacuum gas to the XY rotation device.

By integrating the five points, the workpiece can be accurately positioned before the polished hole; under the multifunctional action of the electric slip ring, the pipeline for transmitting electricity and vacuum to the lower disc device from the outside is not influenced by the rotation of the turntable, and the electric slip ring transmits the electricity or the vacuum to the servo driver or the pipeline for transmitting the vacuum to the XY self-rotation device to rotate along with the turntable; the grinding fluid can not splash around the lower disk device in the process of entering the grinding fluid circulating system.

As shown in fig. 6 and 7, the XY rotation device 8 includes a servo motor 807, the servo motor 807 is connected with a small synchronizing wheel 804, and the small synchronizing wheel 804 is connected with a large synchronizing gear 819 through a transmission belt 805; the servo motor 807 is arranged on the motor mounting plate 806, and the bases 803 are arranged on two sides of the motor mounting plate 806; the large synchronizing gear 819 is connected with a rotating main shaft 813 through a flat key 823 and a clamp spring 28, and a bearing seat 816 is arranged on the periphery of the rotating main shaft 813; a pair of duplex angular contact ball bearings 821 is arranged at the lower end of the interior between the rotating main shaft 813 and the bearing seat 816, a cylindrical roller bearing 815 is arranged at the lower end of the interior between the rotating main shaft 813 and the bearing seat 816, and a bearing pad 820 is arranged on the lower end surface of the cylindrical roller bearing 815; a bearing spacer 817 is arranged between the cylindrical roller bearing 815 and the duplex angular contact ball bearing 821; the lower end of the rotating main shaft 813 is connected with the inner ring of the duplex angular contact ball bearing 821 through a small round nut 822; a bearing gland 818 is arranged on the lower end faces of the outer ring of the duplex angular contact ball bearing and the bearing block 816; the lower end face of the rotating main shaft 813 is connected with a slip ring mounting plate 824, the lower end face of the slip ring mounting plate 824 is connected with an electrical slip ring 107, and a slip ring bracket 808 is arranged below the electrical slip ring; the upper end surface of the rotating main shaft 813 is connected with a self-loading disc 812; the lower terminal surface from year dish 812 is connected with waterproof maze panel beating 814, and the up end is connected with module backing plate 826, and module backing plate 826 up end is connected with X axle module 811, and X axle module 811 is connected with Y axle module 810 through module connecting plate 829, and Y axle module 810 is connected with tool subassembly 801 through last dish board 809, and the periphery of going up dish board 809 lower terminal surface is connected with buckler 102, and the periphery of buckler 102 is pasted with silica gel tarpaulin 802. The jig assembly 801 has a number of products 830 mounted thereon.

When the dual-angle-contact ball bearing is used, the small synchronous wheel and the synchronous belt which are arranged on the output shaft of the servo motor are driven to output to the large synchronous wheel, the large synchronous wheel and the rotating main shaft rotate in the inner rings of the cylindrical roller bearing and the dual-angle-contact ball bearing, and the upper end face of the rotating main shaft is connected with the self-loading disc so as to drive the whole self-rotation assembly to rotate.

An X-axis module and a Y-axis module are connected to the upper end face of the self-rotating load disc, free moving space on a horizontal plane can be provided for the jig assembly, products with multiple unthreaded holes need to be processed and subjected to tool setting, and the automatic compensation function is achieved.

The lower end of the electric slip ring is fixed and is simultaneously connected with an external vacuum suction negative pressure and a control circuit, and the upper floating end of the electric slip ring is connected with the rotating main shaft through the slip ring mounting plate, so that the electric control and the vacuum suction negative pressure can be provided when the rotating main shaft works.

The above description is only one specific guiding embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention using this concept shall fall within the scope of the utility model.

Claims

1. A lower disc device for an intelligent unthreaded hole machine tool is characterized by comprising a lower support (106), wherein a rotating device is installed on the lower support (106), the rotating device is connected with a turntable (103), a waterproof cover (102) is fixed on the turntable (103), and a plurality of XY self-rotating devices (8) are fixed in the waterproof cover (102) along the circumferential direction; the sand blasting component (4) is arranged in cooperation with the XY rotation device (8).

2. The lower disc device for the intelligent unthreaded hole machine tool of claim 1, wherein a liquid receiving disc (104) is fixed at the bottom of the waterproof cover (102), a plurality of pipelines communicated with the liquid receiving disc (104) are formed in the bottom surface of the waterproof cover (102), and the liquid receiving disc (104) is communicated with a grinding fluid circulating system (7).

3. The lower disc device for the intelligent unthreaded hole machine tool of claim 1, wherein the rotating device is a direct drive motor (110), a slip ring connecting seat (109) is installed in the direct drive motor (110), the top of the slip ring connecting seat (109) is connected with the rotating disc (103), and the bottom of the slip ring connecting seat is connected with an electric slip ring (107); the direct drive motor (110) is electrically connected to a servo drive (108).

4. The lower disc device for the intelligent unthreaded hole machine tool according to claim 1, characterized in that, the eccentric position of carousel (103) installs origin response piece (105), cooperates with origin response piece (105) to install external inductor.

5. The footwall device for an intelligent unthreaded hole machine tool according to claim 4, wherein, the origin induction piece (105) is a magnet or an infrared emitter; the external sensor is a magnetic sensor or an infrared receiver; the external inductor or the origin induction sheet (105) is arranged corresponding to the XY rotation device (8).